Sun activity archive for December 2024

Sun activity archive for December 2024. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.

Observers’ report: SpaceX Starship and electrophonic sounds

Observers in Puerto Rico reported hearing low-frequency sounds as the SpaceX Starship rocket flew past on November 19, 2024. Were they electrophonic sounds?

Are Uranus and Neptune hiding oceans of water?

Uranus and Neptune might have deep water oceans beneath their thick atmospheres, with a carbon layer below them. Like oil and water, the two layers never mix.

Solar superstorm in 664 BCE recorded in tree rings

Scientists have narrowed down the date of a solar superstorm that occurred some 2,600 years ago to 664 BCE, based on a spike in carbon-14 in ancient tree rings.

Mysterious ‘UFO galaxies’ are big, red and really dusty

Astronomers using NASA's Webb space telescope have discovered "UFO galaxies". They are disk-shaped, bright red and unusually dusty.

Comets are icy balls of gas, dust and rock

Comets are diffuse balls of ice and dust orbiting the sun. They're sometimes visible in our skies. A comet's tail can stretch millions of miles across space.

Thanksgiving turkey: White meat or dark meat?

Thanksgiving turkey raises an important question: Dark or white meat? Amaze your companions on why different cuts of turkey have different characteristics.

Gegenschein is the glow of interplanetary dust

The gegenschein is a play of light on interplanetary dust of the solar system. It's a diffuse path of light that lies exactly opposite the sun.

The Sombrero Galaxy as you’ve never seen it before

The Webb Space Telescope has delivered a stunning view of the Sombrero galaxy, M104, in infrared. See it here and read more about it.

Europa Clipper en route and all systems go

Europa Clipper is on its way to explore Europa, the icy ocean moon of Jupiter. Deployment and testing of its instruments is underway and going smoothly.